       <!-- Hay que manejar esto en otro lugar --> 
       <div class="panel panel-primary">
         <div class="panel-heading">Opciones</div>
           <div class="panel-body">
              <ul class="nav nav-pills nav-stacked">
                <!-- ng-switch-when="userRoles.admin"  -->
                <li id="teacher-add">
                   <a href="#/modules/teacher-add"><span class="glyphicon glyphicon-plus"></span> Crear</a>
                </li>
                <li id="teacher-lis" class="active">
                   <a href="#/modules/teacher-list"><span class="glyphicon glyphicon-th-list"></span> Listar</a>
                </li>
                <li id="teacher-sea">
                   <a href="#/modules/teacher-search"><span class="glyphicon glyphicon-search"></span> Busqueda</a>
                </li>
              </ul>
           </div>
       </div>